int sync;
int size;
+ int64_t next_expected_pts;
+
uint8_t frame[3840];
hb_list_t * list;
- int channelsused;
+ int out_discrete_channels;
};
/* Decide what format we want out of a52dec
work.c has already done some of this deduction for us in do_job() */
- if (job->channelsused == 6) {
- /* we're going to be encoding to AAC,
- and have turned on the "preserve 5.1" flag */
- pv->flags_out = A52_3F2R | A52_LFE;
- } else if (job->channelsused == 1) {
- /* we're going to be encoding to AAC, */
- /* and want to keep the mono-ness of the source audio */
- pv->flags_out = A52_MONO;
- } else if (job->channelsused == 2 && job->channels == 5 && job->lfechannels == 1) {
- /* we are mixing a 5.1 source down to stereo, so use dolby surround */
- pv->flags_out = A52_DOLBY;
- } else if (job->channelsused == 2 && ((job->ac3flags & A52_CHANNEL_MASK) == A52_DOLBY)) {
- /* we have a dolby stereo surround source, so preserve it */
- pv->flags_out = A52_DOLBY;
- } else {
- /* mix everything else down to plain stereo */
- pv->flags_out = A52_STEREO;
- }
+ pv->flags_out = HB_AMIXDOWN_GET_A52_FORMAT(w->amixdown);
/* pass the number of channels used into the private work data */
- pv->channelsused = job->channelsused;
+ /* will only be actually used if we're not doing AC3 passthru */
+ pv->out_discrete_channels = HB_AMIXDOWN_GET_DISCRETE_CHANNEL_COUNT(w->amixdown);
pv->level = 32768.0;
-
+ pv->next_expected_pts = 0;
+
return 0;
}
{
hb_work_private_t * pv = w->private_data;
a52_free( pv->state );
+ hb_list_empty( &pv->list );
+ free( pv );
+ w->private_data = NULL;
}
/***********************************************************************
a52_frame( pv->state, pv->frame, &pv->flags_out, &pv->level, 0 );
/* 6 blocks per frame, 256 samples per block, channelsused channels */
- buf = hb_buffer_init( 6 * 256 * pv->channelsused * sizeof( float ) );
+ buf = hb_buffer_init( 6 * 256 * pv->out_discrete_channels * sizeof( float ) );
+ if (pts == -1)
+ {
+ pts = pv->next_expected_pts;
+ }
buf->start = pts + ( pos / pv->size ) * 6 * 256 * 90000 / pv->rate;
buf->stop = buf->start + 6 * 256 * 90000 / pv->rate;
+ /*
+ * To track AC3 PTS add this back in again.
+ *hb_log("AC3: pts is %lld, buf->start %lld buf->stop %lld", pts, buf->start, buf->stop);
+ */
+
+ pv->next_expected_pts = buf->stop;
+
for( i = 0; i < 6; i++ )
{
sample_t * samples_in;
a52_block( pv->state );
samples_in = a52_samples( pv->state );
- samples_out = ((float *) buf->data) + 256 * pv->channelsused * i;
+ samples_out = ((float *) buf->data) + 256 * pv->out_discrete_channels * i;
/* Interleave */
for( j = 0; j < 256; j++ )
{
- for ( k = 0; k < pv->channelsused; k++ )
+ for ( k = 0; k < pv->out_discrete_channels; k++ )
{
- samples_out[(pv->channelsused*j)+k] = samples_in[(256*k)+j]; // DJA
+ samples_out[(pv->out_discrete_channels*j)+k] = samples_in[(256*k)+j];
}
}
+
}
pv->sync = 0;